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Volkswagen Jetta GL Wagon L4-1.9L DSL Turbo (ALH) (2002)01 · Relays and Modules
01 · Diagnostics

Initial Inspection and Diagnostic Overview (page 2 of 17)

Make
Volkswagen
Model
Jetta GL Wagon
Engine
L4-1.9L DSL Turbo (ALH)
Year
2002
Section
Relays and Modules - Accessories and Optional Equipment › Alarm Module, (Vehicle Antitheft) › Testing and Inspection
Relays and ModulesInitial Inspection and Diagnostic Overview · page 2 of 17
Initial Inspection and Diagnostic Overview (page 2 of 17) – Volkswagen Jetta GL Wagon L4-1.9L DSL Turbo (ALH) (2002)

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The immobilizer control module has detected an authorized key.

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The immobilizer control module has not detected an incorrect engine control module.

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The immobilizer control module is currently "adapting keys" and after adapting the keys no malfunction has occurred.

To troubleshoot, perform the On Board Diagnostic (OBD) program and retrieve the stored information with either the VAG 1551/1552 Scan Tool or
VAS 5051 Vehicle Diagnostic, Testing and Information System.

From December 2001

On Board Diagnostics (OBD), From 12.01

General Information

OBD program text/data generated by control modules installed on vehicles from 12.01 production may not be recognized by VAG 1551/1552 Scan
Tools (ST) with the latest program card.  For example: scan tool display shows "text 799", "01529/references" or similar.

Only the VAS 5051/5052 Vehicle Diagnostic Testing and Information System is capable of processing all display text/data on these vehicles.

OBD program functions on vehicles from 12.01 production must be performed using the VAS 5051 Vehicle Diagnostic Testing and
Information System in mode "Guided Fault Finding".

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The same page in: Jetta L4-2.0L (AZG) (2004), Jetta GLS L4-1.8L Turbo (AWP) (2002), Jetta GLS L4-1.8L Turbo (AWP) (2002), Jetta GLS L4-1.8L Turbo (AWP) (2002), Jetta GLS V6-2.8L (AFP) (2002), Jetta GLS V6-2.8L (AFP) (2002), Jetta GLS V6-2.8L (AFP) (2002), Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002), Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002), Jetta GLS Wagon L4-1.8L Turbo (AWP) (2002), Jetta GLS Wagon L4-2.0L (AZG) (2002), Jetta GLS Wagon L4-2.0L (AZG) (2002), Jetta GLS Wagon L4-2.0L (AZG) (2002).

Parts & tools for this job For 2002 Volkswagen Jetta 1.9L

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